What if an alien civilization did not just exist somewhere in the universe, but actually reached Earth in the distant past?

Why does the Universe appear so silent after decades spent waiting for a message from elsewhere? Where are the ...

The peculiar legal argument behind Trump’s attack on citizenship was invented by 19th-century anti-Chinese racists.

Could ancient humans really have built the pyramids without extraterrestrial help? Or do such questions reveal more about ...

Debunking alien claims matters, but so does telling richer, more compelling stories about how humans shaped their own past.

Movies like "Disclosure Day" and "Project Hail Mary" renew our fascination with extraterrestrials and the idea that humankind ...

As an astrophysicist, my world revolves around the wonders of space and the mysteries of the universe. This means I can be a ...

"None of it will work. The American people have spoken. 60% disagree with this administration’s immigration policies. The ...

From phone boxes and flux capacitors to black holes and hot tubs, sci-fi has created plenty of ways to explore the fourth ...

Modern-day LLMs are "fiction machines," designed not to be truthful but to make sense. What can we expect from these machines, and what are their limitations?

President Donald Trump’s sweeping act of clemency for rioters who stormed the U.S. Capitol also should apply to a man charged with planting pipe bombs near the national headquarters of the Democratic ...